package com.zj.springcloud.controller;


import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.zj.springcloud.pojo.Dept;
import com.zj.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;

//提供rest服务
@RestController
public class DeptController {
    @Autowired
    private DeptService deptService;

    @GetMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "HystrixGet") //失败后调用HystrixGet方法
    public Dept get(@PathVariable("id") Long id) {
        Dept dept = deptService.queryById(id);

        if (dept == null) {
            throw new RuntimeException("id=>" + id + ",不存在该用户或者信息无法找到");
        }

        return dept;
    }

    //备选方案
    public Dept HystrixGet(@PathVariable("id") Long id) {
        return new Dept()
                .setDeptno(id)
                .setDname("id=>" + id + ",不存在该用户或者信息无法找到---@Hystrix")
                .setDb_source("No this database in db");
    }


}
